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Namibia’s Coastal Desert

Namibia's Coastal Desert
On the southwest coast of Africa, the soft orange sands of Namibia's coastal desert rise to a rugged interior plateau, with outcroppings of colorful rocks and pale green vegetation. The large coastal desert is one of the oldest in the world, and is caused by a cool ocean current, called the Benguela Current, snaking its way up from the south.

On the southwest coast of Africa, the soft orange sands of Namibia’s coastal desert rise to a rugged interior plateau, with outcroppings of colorful rocks and pale green vegetation. The large coastal desert is one of the oldest in the world, and is caused by a cool ocean current, called the Benguela Current, snaking its way up from the south along southern Africa’s Atlantic Coast. The cold current suppresses rainfall, but contributes to a morning fog that becomes trapped on the surface of some dunes and provides enough moisture for sparse vegetation to grow in some places.
The dunes, pushed up by strong onshore winds, are the highest sand dunes in the world -as high as 1,000 to 1,167 feet in places. Rows of linear sand dunes can be seen as alternating ripples of darker and lighter orange in the center of the image. The dune shapes become more chaotic surrounding the mud plain where a river runs down out of the plateau (left of center), but doesn’t make it to the ocean.Image Credit: NASA